li {list-style: none;}
a {text-decoration: none;color: #333333;}
.px2rem(@name, @px){
    @{name}: @px / 108 * 1rem;
}

.webkit{
    display: -webkit-flex;
    display: -moz-flex;
}
.line-height(@arg){.px2rem(line-height, @arg);}
.font-size(@arg){.px2rem(font-size, @arg);}

.font(@fz,@color){
    .px2rem(font-size,@fz);
    color: @color;
}
.border-bottom(@px,@xian,@color){
    .px2rem(border-bottom-width,@px);
    border-bottom-style: @xian;
    border-bottom-color: @color;
}
.border-top(@px,@xian,@color){
    .px2rem(border-top-width,@px);
    border-top-style: @xian;
    border-top-color: @color;
}
.border(@px,@xian,@color){.px2rem(border-width,@px);border-style: @xian; border-color: @color;}

.padding-top(@top){.px2rem(padding-top, @top);}
.padding-right(@right){.px2rem(padding-right, @right);}
.padding-bottom(@bottom){.px2rem(padding-bottom, @bottom);}
.padding-left(@left){.px2rem(padding-left, @left);}

.padding(@top,@right,@bottom,@left){
   .px2rem(padding-top,@top);
   .px2rem(padding-right,@right);
   .px2rem(padding-bottom,@bottom);
   .px2rem(padding-left,@left);
}

.margin-top(@top){.px2rem(margin-top, @top);}
.margin-right(@right){.px2rem(margin-right, @right);}
.margin-bottom(@bottom){.px2rem(margin-bottom, @bottom);}
.margin-left(@left){.px2rem(margin-left, @left);}

.margin(@top,@right,@bottom,@left){
   .px2rem(margin-top,@top);
   .px2rem(margin-right,@right);
   .px2rem(margin-bottom,@bottom);
   .px2rem(margin-left,@left);
}

main{
    overflow-x: hidden;
    .margin-bottom(180);
    .padding-top(130);
    overflow-x: hidden;
    .content{
        ._ul{
            .px2rem(height,150);
        background: #f7eff7;
        .webkit();
        justify-content: space-around;
        align-items: center;
        
        button{
            .px2rem(width,320);
            .px2rem(height,110);
            background: none;
            border: none;
            .font-size(38);
            color: #9c9a9c;
        }
        }
        
        .one{
            display: none;
            dl{
                dt{
                    img{
                        width: 94%;
                        .px2rem(height,610);
                        .padding(35,35,0,35);
                        
                    }
                }
                dd{
                    width: 94%;
                    .padding(10,35,35,35);
                    .font-size(40);
                    .line-height(60);
                    
                }
                
            }
        }
        
    }
    
  footer{
            .px2rem(height,160);
             width: 100%;
              .webkit();
                align-items: center;
                justify-content: space-around;
                .font-size(35);
                text-align: center;
                position: fixed;
                bottom: 0;
                left: 0;
                background: #efefef;
            ul{
                li{
                    color: #9c9a9c;
                    span{
                        img{
                            .px2rem(width,65);
                            .px2rem(height,70);
                        }
                    }
                }
            }
        }  
    
}
